339575980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{3739}}^1$

素因数の和:4006

約数の個数: 48

約数和(自身を含む): 753984000

約数和(自身を除く): 414408020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 239, 380, 478, 956, 1195, 2390, 3739, 4541, 4780, 7478, 9082, 14956, 18164, 18695, 22705, 37390, 45410, 71041, 74780, 90820, 142082, 284164, 355205, 710410, 893621, 1420820, 1787242, 3574484, 4468105, 8936210, 16978799, 17872420, 33957598, 67915196, 84893995, 169787990, 339575980]

約数ペア:

[(1, 339575980), (2, 169787990), (4, 84893995), (5, 67915196), (10, 33957598), (19, 17872420), (20, 16978799), (38, 8936210), (76, 4468105), (95, 3574484), (190, 1787242), (239, 1420820), (380, 893621), (478, 710410), (956, 355205), (1195, 284164), (2390, 142082), (3739, 90820), (4541, 74780), (4780, 71041), (7478, 45410), (9082, 37390), (14956, 22705), (18164, 18695)]